Pivotable seat attachable umbrella support



FIG. 1 is a perspective view of a pivotable seat attachable umbrella support showing our new design;

FIG. 2 is an enlarged perspective view thereof;

FIG. 3 is a perspective view thereof, with alternate positions shown in superimposed broken lines;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a rear elevational view thereof;

FIG. 8 is a top plan view thereof; and,

FIG. 9 is a bottom plan view thereof.

The broken line showing of a chair and an umbrella in FIG. 1 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a pivotable seat attachable umbrella support, as shown and described. 